Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/globals.hpp @ 1146:504830073409
Merge
author | jmasa |
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date | Mon, 04 Jan 2010 07:58:42 -0800 |
parents | 547f81740344 e018e6884bd8 |
children | 1fc01a2425ce 7b0e9cba0307 0c1bf505f7a2 |
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1129:a5a6adfca6ec | 1146:504830073409 |
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1353 "we simulate overflow; a smaller number increases frequency") \ | 1353 "we simulate overflow; a smaller number increases frequency") \ |
1354 \ | 1354 \ |
1355 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | 1355 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ |
1356 "The desired number of objects to claim from the overflow list") \ | 1356 "The desired number of objects to claim from the overflow list") \ |
1357 \ | 1357 \ |
1358 product(uintx, CMSParPromoteBlocksToClaim, 50, \ | 1358 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
1359 "Number of blocks to attempt to claim when refilling CMS LAB for "\ | 1359 "Number of blocks to attempt to claim when refilling CMS LAB for "\ |
1360 "parallel GC.") \ | 1360 "parallel GC.") \ |
1361 \ | |
1362 product(uintx, OldPLABWeight, 50, \ | |
1363 "Percentage (0-100) used to weight the current sample when" \ | |
1364 "computing exponentially decaying average for resizing CMSParPromoteBlocksToClaim.") \ | |
1365 \ | |
1366 product(bool, ResizeOldPLAB, true, \ | |
1367 "Dynamically resize (old gen) promotion labs") \ | |
1368 \ | |
1369 product(bool, PrintOldPLAB, false, \ | |
1370 "Print (old gen) promotion labs sizing decisions") \ | |
1371 \ | |
1372 product(uintx, CMSOldPLABMin, 16, \ | |
1373 "Min size of CMS gen promotion lab caches per worker per blksize")\ | |
1374 \ | |
1375 product(uintx, CMSOldPLABMax, 1024, \ | |
1376 "Max size of CMS gen promotion lab caches per worker per blksize")\ | |
1377 \ | |
1378 product(uintx, CMSOldPLABNumRefills, 4, \ | |
1379 "Nominal number of refills of CMS gen promotion lab cache" \ | |
1380 " per worker per block size") \ | |
1381 \ | |
1382 product(bool, CMSOldPLABResizeQuicker, false, \ | |
1383 "Whether to react on-the-fly during a scavenge to a sudden" \ | |
1384 " change in block demand rate") \ | |
1385 \ | |
1386 product(uintx, CMSOldPLABToleranceFactor, 4, \ | |
1387 "The tolerance of the phase-change detector for on-the-fly" \ | |
1388 " PLAB resizing during a scavenge") \ | |
1389 \ | |
1390 product(uintx, CMSOldPLABReactivityFactor, 2, \ | |
1391 "The gain in the feedback loop for on-the-fly PLAB resizing" \ | |
1392 " during a scavenge") \ | |
1393 \ | |
1394 product(uintx, CMSOldPLABReactivityCeiling, 10, \ | |
1395 "The clamping of the gain in the feedback loop for on-the-fly" \ | |
1396 " PLAB resizing during a scavenge") \ | |
1361 \ | 1397 \ |
1362 product(bool, AlwaysPreTouch, false, \ | 1398 product(bool, AlwaysPreTouch, false, \ |
1363 "It forces all freshly committed pages to be pre-touched.") \ | 1399 "It forces all freshly committed pages to be pre-touched.") \ |
1364 \ | 1400 \ |
1365 product(bool, CMSUseOldDefaults, false, \ | 1401 product(bool, CMSUseOldDefaults, false, \ |
1398 \ | 1434 \ |
1399 product(uintx, CMSIncrementalOffset, 0, \ | 1435 product(uintx, CMSIncrementalOffset, 0, \ |
1400 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ | 1436 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ |
1401 " is shifted to the right within the period between young GCs") \ | 1437 " is shifted to the right within the period between young GCs") \ |
1402 \ | 1438 \ |
1403 product(uintx, CMSExpAvgFactor, 25, \ | 1439 product(uintx, CMSExpAvgFactor, 50, \ |
1404 "Percentage (0-100) used to weight the current sample when " \ | 1440 "Percentage (0-100) used to weight the current sample when" \ |
1405 "computing exponential averages for CMS statistics") \ | 1441 "computing exponential averages for CMS statistics.") \ |
1406 \ | 1442 \ |
1407 product(uintx, CMS_FLSWeight, 50, \ | 1443 product(uintx, CMS_FLSWeight, 75, \ |
1408 "Percentage (0-100) used to weight the current sample when " \ | 1444 "Percentage (0-100) used to weight the current sample when" \ |
1409 "computing exponentially decating averages for CMS FLS statistics") \ | 1445 "computing exponentially decating averages for CMS FLS statistics.") \ |
1410 \ | 1446 \ |
1411 product(uintx, CMS_FLSPadding, 2, \ | 1447 product(uintx, CMS_FLSPadding, 1, \ |
1412 "The multiple of deviation from mean to use for buffering " \ | 1448 "The multiple of deviation from mean to use for buffering" \ |
1413 "against volatility in free list demand.") \ | 1449 "against volatility in free list demand.") \ |
1414 \ | 1450 \ |
1415 product(uintx, FLSCoalescePolicy, 2, \ | 1451 product(uintx, FLSCoalescePolicy, 2, \ |
1416 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ | 1452 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ |
1417 \ | 1453 \ |
1418 product(uintx, CMS_SweepWeight, 50, \ | 1454 product(bool, FLSAlwaysCoalesceLarge, false, \ |
1455 "CMS: Larger free blocks are always available for coalescing") \ | |
1456 \ | |
1457 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ | |
1458 "CMS: the smaller the percentage the greater the coalition force")\ | |
1459 \ | |
1460 product(double, CMSSmallCoalSurplusPercent, 1.05, \ | |
1461 "CMS: the factor by which to inflate estimated demand of small" \ | |
1462 " block sizes to prevent coalescing with an adjoining block") \ | |
1463 \ | |
1464 product(double, CMSLargeCoalSurplusPercent, 0.95, \ | |
1465 "CMS: the factor by which to inflate estimated demand of large" \ | |
1466 " block sizes to prevent coalescing with an adjoining block") \ | |
1467 \ | |
1468 product(double, CMSSmallSplitSurplusPercent, 1.10, \ | |
1469 "CMS: the factor by which to inflate estimated demand of small" \ | |
1470 " block sizes to prevent splitting to supply demand for smaller" \ | |
1471 " blocks") \ | |
1472 \ | |
1473 product(double, CMSLargeSplitSurplusPercent, 1.00, \ | |
1474 "CMS: the factor by which to inflate estimated demand of large" \ | |
1475 " block sizes to prevent splitting to supply demand for smaller" \ | |
1476 " blocks") \ | |
1477 \ | |
1478 product(bool, CMSExtrapolateSweep, false, \ | |
1479 "CMS: cushion for block demand during sweep") \ | |
1480 \ | |
1481 product(uintx, CMS_SweepWeight, 75, \ | |
1419 "Percentage (0-100) used to weight the current sample when " \ | 1482 "Percentage (0-100) used to weight the current sample when " \ |
1420 "computing exponentially decaying average for inter-sweep " \ | 1483 "computing exponentially decaying average for inter-sweep " \ |
1421 "duration") \ | 1484 "duration") \ |
1422 \ | 1485 \ |
1423 product(uintx, CMS_SweepPadding, 2, \ | 1486 product(uintx, CMS_SweepPadding, 1, \ |
1424 "The multiple of deviation from mean to use for buffering " \ | 1487 "The multiple of deviation from mean to use for buffering " \ |
1425 "against volatility in inter-sweep duration.") \ | 1488 "against volatility in inter-sweep duration.") \ |
1426 \ | 1489 \ |
1427 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | 1490 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ |
1428 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | 1491 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ |
1456 develop(intx, CMSDictionaryChoice, 0, \ | 1519 develop(intx, CMSDictionaryChoice, 0, \ |
1457 "Use BinaryTreeDictionary as default in the CMS generation") \ | 1520 "Use BinaryTreeDictionary as default in the CMS generation") \ |
1458 \ | 1521 \ |
1459 product(uintx, CMSIndexedFreeListReplenish, 4, \ | 1522 product(uintx, CMSIndexedFreeListReplenish, 4, \ |
1460 "Replenish and indexed free list with this number of chunks") \ | 1523 "Replenish and indexed free list with this number of chunks") \ |
1524 \ | |
1525 product(bool, CMSReplenishIntermediate, true, \ | |
1526 "Replenish all intermediate free-list caches") \ | |
1527 \ | |
1528 product(bool, CMSSplitIndexedFreeListBlocks, true, \ | |
1529 "When satisfying batched demand, splot blocks from the " \ | |
1530 "IndexedFreeList whose size is a multiple of requested size") \ | |
1461 \ | 1531 \ |
1462 product(bool, CMSLoopWarn, false, \ | 1532 product(bool, CMSLoopWarn, false, \ |
1463 "Warn in case of excessive CMS looping") \ | 1533 "Warn in case of excessive CMS looping") \ |
1464 \ | 1534 \ |
1465 develop(bool, CMSOverflowEarlyRestoration, false, \ | 1535 develop(bool, CMSOverflowEarlyRestoration, false, \ |
1591 \ | 1661 \ |
1592 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | 1662 product(uintx, CMSBitMapYieldQuantum, 10*M, \ |
1593 "Bitmap operations should process at most this many bits" \ | 1663 "Bitmap operations should process at most this many bits" \ |
1594 "between yields") \ | 1664 "between yields") \ |
1595 \ | 1665 \ |
1666 product(bool, CMSDumpAtPromotionFailure, false, \ | |
1667 "Dump useful information about the state of the CMS old " \ | |
1668 " generation upon a promotion failure.") \ | |
1669 \ | |
1670 product(bool, CMSPrintChunksInDump, false, \ | |
1671 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ | |
1672 " more detailed information about the free chunks.") \ | |
1673 \ | |
1674 product(bool, CMSPrintObjectsInDump, false, \ | |
1675 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ | |
1676 " more detailed information about the allocated objects.") \ | |
1677 \ | |
1596 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ | 1678 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
1597 "Verify that all refs across the FLS boundary " \ | 1679 "Verify that all refs across the FLS boundary " \ |
1598 " are to valid objects") \ | 1680 " are to valid objects") \ |
1599 \ | 1681 \ |
1600 diagnostic(bool, FLSVerifyLists, false, \ | 1682 diagnostic(bool, FLSVerifyLists, false, \ |
1674 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | 1756 "Enforce ScavengeALot/GCALot at all potential safepoints") \ |
1675 \ | 1757 \ |
1676 product(bool, HandlePromotionFailure, true, \ | 1758 product(bool, HandlePromotionFailure, true, \ |
1677 "The youngest generation collection does not require " \ | 1759 "The youngest generation collection does not require " \ |
1678 "a guarantee of full promotion of all live objects.") \ | 1760 "a guarantee of full promotion of all live objects.") \ |
1761 \ | |
1762 product(bool, PrintPromotionFailure, false, \ | |
1763 "Print additional diagnostic information following " \ | |
1764 " promotion failure") \ | |
1679 \ | 1765 \ |
1680 notproduct(bool, PromotionFailureALot, false, \ | 1766 notproduct(bool, PromotionFailureALot, false, \ |
1681 "Use promotion failure handling on every youngest generation " \ | 1767 "Use promotion failure handling on every youngest generation " \ |
1682 "collection") \ | 1768 "collection") \ |
1683 \ | 1769 \ |